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Research Objectives
A literature review of the current recommendation for SCS compatibility with MR imaging
and a review of the Food and Drug Administration (FDA) approved spinal cord stimulation
systems were performed.
Design
The literature review was completed using PubMed, the FDA website (www.fda.gov), and the SCS manufacturers’ websites.
Setting
N/A.
Participants
N/A.
Interventions
N/A.
Main Outcome Measures
Is the usage of MRI safe in patients with spinal cord stimulators (SCS)?
Results
The current recommendations, composed on the basis of evidence-based medicine, reveal
close adherence of an MRI with a 1.5T magnet and a mean total body specific absorption
rate (SAR) of 0.9 W/kg or below which can promote patient safety and satisfaction,
despite the variability between different SCS manufacturers1. Measurement of safety
includes tearing of tissues due to rotational force generated by the magnetic field,
acceleration of the device towards the bore of the magnet (“missile effect”), and
burns caused by overheating of the device.
Conclusions
Strict adherence to an MRI with a 1.5T magnetic bore core and a SAR of 0.9 W/kg or
below can promote patient safety despite the various SCS developed by manufacturers.
Providers and technicians should be encouraged to seek specific SAR and Slew Rate
and Field Strength conditions found on the manufacturers’ website to yield the highest
safety index and optimal image quality.
Author(s) Disclosures
None.
Keywords
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Copyright
© 2022 Published by Elsevier Inc.
